Last updated: March 17, 2025
December in Penzance, United Kingdom, offers a chilly yet captivating climate, with average temperatures hovering around 10°C (51°F). The maximum daily highs can reach 14°C (57°F), while the minimums dip to 5°C (42°F), creating a brisk atmosphere ideal for winter walks. With 138 mm (5.4 in) of rainfall spread over 21 days, visitors should prepare for damp conditions, as humidity levels soar to a significant 81%. This combination of cool temperatures and frequent precipitation highlights Penzance's unique winter charm, making it a special destination for those seeking the beauty of a coastal town in the off-peak season.
In December, Penzance experiences the transition into winter, showcasing its mild maritime climate. The temperatures hover between a minimum of 5°C (42°F) and a comfortable maximum of 14°C (57°F), with an average of 10°C (51°F). This trend reflects a gradual cooling as the year draws to a close, yet compared to many other regions, Penzance remains relatively mild. With temperatures only slightly lower than in November, December’s chill is balanced by the invigorating coastal breeze, making it a pleasant time for exploring the town's scenic vistas and festive charm.
In December, Penzance experiences a notable spike in precipitation, with an average of 138 mm (5.4 in), making it the wettest month of the year. This month sees rain for an impressive 21 days, reflecting a trend of increasing rainfall as winter deepens. This pattern contrasts sharply with the drier days in the spring and early summer months, where precipitation averages were considerably lower. As November transitions into December, the region's rainfall increases significantly, highlighting the shift to a wetter season and setting a robust stage for a cozy, albeit soggy, holiday atmosphere.
In Penzance, United Kingdom, December wraps up the year with a humidity level of 81%, slightly lower than the previous month. This slight decline continues a downward trend from the peak of 85% experienced during the summer months of June through August. Overall, the month-to-month humidity exhibits a general stability, with numbers hovering around the low 80s during the colder months, before rising again as spring approaches, peaking in late spring with a notable 85% in May. This consistent humidity pattern reflects Penzance's maritime climate, ensuring that the air remains comfortably moist throughout much of the year.
In December, Penzance experiences a low UV Index of 1, which translates to a safe outdoor exposure category that requires minimal caution. This trend of low UV levels carries over from the cooler months, as seen in both January and February, where the UV Index remains at 2. As the year progresses towards spring and summer, Penzance witnesses a notable rise, peaking in June with a very high UV Index of 9. However, December serves as a reminder that during the winter months, the sun's rays are significantly less intense, allowing for longer burn times of 45 minutes without risk. For those curious about the UV Index throughout the year in this coastal town, visit Penzance UV Index for more detailed insights.
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In Penzance, United Kingdom, the month of December brings a modest flicker of sunlight, offering approximately 120 hours of daylight. While this marks a drop from the vibrant sunlit days of summer peak in July, which boasts a notable 426 hours, it’s a gentle reminder of the cyclical nature of the seasons. The year progresses from the depths of winter in January with a mere 96 hours of sunshine, climbing steadily through spring into the bountiful brightness of summer. As the year wanes, December's shorter days contrast sharply with the longer, sunnier months, like May and June, where hours soar above 400. Despite the chill, December’s sunshine invites residents and visitors alike to enjoy the crisp coastal air and the charm of Penzance during this quieter, reflective time of year.
In Penzance, December marks one of the year's least sunny periods, with a mere 21% chance of sunshine. This decline in bright days is part of a broader trend, as the likelihood of sunny weather generally fluctuates throughout the year. Starting with a peak of 51% in April, the chance of sun gradually decreases into the winter months, culminating in December, which sees significantly less sunshine than the spring and summer months. Notably, this drop from November’s 23% suggests that Penzance residents may need to brace for more overcast skies as the year winds down, making those rare sunny days even more cherished during this time.
In Penzance, United Kingdom, the daylight duration experiences a rhythmic ebb and flow throughout the year, reflecting the seasonal changes. December sees daylight last for about 8 hours, mirroring the shorter days of January. As winter sets in, the light slowly begins to fade after reaching its peak in the summer months of June and July, where residents enjoyed a generous 16 hours of daylight. The months leading up to December witness a gradual decrease, dropping from 15 hours in May to 9 in November. As the year draws to a close, the cycle emphasizes a return to the darker days, setting the stage for the eventual return of longer daylight hours come spring.
As December rolls into Penzance, the winds pick up, boasting an average speed of 9.2 m/s (21 mph), making it one of the windiest months of the year. This notable increase from the preceding months mirrors the general trend of escalating wind speeds approaching winter, peaking at this time. Throughout the year, the average wind speeds fluctuate, with January and February showing higher velocities as well, yet December stands out as the month where the gusts become particularly brisk. With the holiday season in full swing and coastal storms brewing, the invigorating December winds breathe life into the winter landscape, inviting both locals and visitors to embrace the invigorating chill of Penzance's shoreline.
The weather in Penzance changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Penzance and find detailed weather information for every month.
In December, the weather tends to be slightly milder with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 14°C (57°F) and an average temperature of 10°C (51°F). However, it is also notably wetter, with 138 mm (5.4 in) of precipitation spread over 21 days. In contrast, January sees a slight dip in average temperatures, with a minimum of 4°C (39°F) and a maximum of 15°C (58°F), resulting in an average of 9°C (48°F). The precipitation decreases significantly to 81 mm (3.2 in) over 14 days, yet the humidity remains constant at 81%. For more detailed insights, check out Penzance weather in January.
December and February in Penzance showcase notable differences in weather patterns. December typically sees milder temperatures, with average highs around 14°C (57°F) and an overall higher average of 10°C (51°F), while February's temperatures drop slightly, peaking at 13°C (55°F) and averaging 9°C (48°F). Precipitation is more frequent in December, with 138 mm (5.4 in) falling over 21 days, compared to February's 96 mm (3.8 in) across 16 days. Humidity levels are quite similar, with December at 81% and February slightly higher at 83%. For a detailed look at February's weather in Penzance, check out Penzance weather in February.
December and March present contrasting weather patterns. In December, temperatures range from a minimum of 5°C (42°F) to a maximum of 14°C (57°F), with an average of 10°C (51°F). The month sees considerable rainfall, totaling 138 mm (5.4 in) over 21 days, and the humidity remains high at 81%. In contrast, March experiences cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 13°C (56°F), averaging 9°C (48°F). Precipitation decreases to 88 mm (3.5 in) over 16 days, while humidity slightly rises to 82%. For more details about March weather, you can check Penzance weather in March.
When comparing the weather in December and April, December tends to be cooler, with average temperatures ranging from a minimum of 5°C (42°F) to a maximum of 14°C (57°F). It also experiences notably higher precipitation, averaging 138 mm (5.4 in) over 21 days, contributing to a humid atmosphere with an average humidity of 81%. In contrast, April showcases slightly milder conditions, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 16°C (61°F). This month sees significantly less rainfall, with about 44 mm (1.7 in) over just 8 days, and a humidity level that is only slightly higher at 83%. For those interested in more specific details about April weather, you can visit Penzance weather in April.
In December, the weather tends to be cooler with average temperatures ranging from a minimum of 5°C (42°F) to a maximum of 14°C (57°F), accompanied by significant precipitation of 138 mm (5.4 in) over 21 days. The humidity is relatively high at 81%, contributing to a damp, chilly atmosphere. In contrast, May brings milder temperatures, with averages between 7°C (45°F) and 17°C (64°F), and considerably less rainfall at 64 mm (2.5 in) across 11 days. The humidity remains slightly elevated at 85%, but the overall feel is much warmer and more pleasant. For a detailed look at what to expect, visit Penzance weather in May.
When comparing the weather in December and June, notable differences emerge. December experiences milder temperatures, with averages ranging from a minimum of 5°C (42°F) to a maximum of 14°C (57°F), while June enjoys warmer temperatures, with the average ranging from 10°C (51°F) to 21°C (70°F). Precipitation is higher in December, totaling 138 mm (5.4 in) over 21 days, compared to June's 74 mm (2.9 in) over just 12 days. Additionally, while December has an average humidity of 81%, June's humidity is slightly higher at 85%. For a more detailed look at June weather specifics, you can check Penzance weather in June.
The weather in December contrasts significantly with that of July in Penzance. December offers cooler temperatures, with a minimum of 5°C (42°F) and an average of 10°C (51°F), peaking at 14°C (57°F). In contrast, July sees much warmer conditions, with minimum temperatures of 13°C (55°F) and an average of 17°C (62°F), reaching highs of 22°C (72°F). Precipitation is heavier in December, with 138 mm (5.4 in) spread over 21 days, compared to July's more moderate 68 mm (2.7 in) falling over just 10 days. Despite the slightly lower humidity in July at 85% compared to December's 81%, the summer month generally feels much more pleasant. For further insights, check out Penzance weather in July.
December and August present contrasting weather conditions. In December, the average temperature hovers around 10°C (51°F), with minimums rarely dipping below 5°C (42°F) and maximums reaching up to 14°C (57°F). This month sees a high level of precipitation, with 138 mm (5.4 in) falling over 21 days, and humidity levels at 81%. In contrast, August enjoys milder temperatures, with an average of 17°C (62°F), minimums at 13°C (56°F), and maximums peaking at 20°C (69°F). Precipitation is significantly lower in August, totaling 59 mm (2.3 in) over just 12 days, and humidity is slightly higher at 85%. For more details, check out Penzance weather in August.
In comparing the weather between September and December, we can see notable differences in both temperature and precipitation. September tends to be milder, with average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 22°C (71°F), while December is cooler, with a minimum of 5°C (42°F) and a maximum of 14°C (57°F). Additionally, September experiences significantly less rainfall, totaling 69 mm (2.7 in) over 12 days, compared to December's 138 mm (5.4 in) spread across 21 days. Humidity levels are slightly higher in December at 81%, compared to September's 84%. For those interested in more detailed information, you can check out Penzance weather in September.
In comparing the weather conditions of December and October, December tends to be cooler with an average temperature of 10°C (51°F), while October enjoys a milder average of 13°C (56°F). Both months experience relatively high humidity, with December at 81% and October slightly higher at 84%. Precipitation levels are comparable, with December receiving 138 mm (5.4 in) over 21 days, and October slightly less at 131 mm (5.2 in) over 16 days. For a detailed look at October conditions, you can check out Penzance weather in October.
In comparing the weather of December to that of November, December tends to be slightly cooler with an average temperature of 10°C (51°F) compared to November's 11°C (52°F). Both months share a minimum temperature of 5°C (42°F), but December's maximum temperature is notably lower at 14°C (57°F), as opposed to November's 16°C (60°F). In terms of precipitation, December experiences a higher total of 138 mm (5.4 in) across 21 days, compared to November's 115 mm (4.5 in) over 19 days, indicating that December is generally wetter. Additionally, the humidity levels remain quite similar, with December at 81% and November at 82%. For a more detailed look at November's weather, you can visit Penzance weather in November.
As December descends upon Penzance, the coastal charm is wrapped in a blanket of moisture and freshness, with temperatures settling into a mild rhythm that distinguishes this month from others. The average chill of 10°C (51°F) invites cozy jackets and warm beverages, while the increased precipitation, averaging 138 mm over 21 days, underscores the rainy nature of winter. This influx of wet weather brings a heightened humidity level of 81%, creating an atmospheric richness that enhances the vibrant coastal landscape. December's weather is a stark contrast to the milder, drier months preceding it, offering a unique perspective on the beauty of Penzance. For more details on how the climate shapes life in this picturesque town, explore Penzance Climate.